The vulnerability of the init_amd_zen4() function in the arch/x86/kernel/cpu/amd.c module, which is part of the Linux operating system’s kernel support for x86 platforms, allows a hacker to trigger a system failure.

The vulnerability of the initamdzen4 function in the arch/x86/kernel/cpu/amd.c module, which supports Linux’s x86 kernel, is related to errors in the code for generating pseudo-random numbers. Exploiting this vulnerability could allow an attacker to cause a system failure...

Physical Attacks Leading to Bypass of ASP Boot ROM Secure Boot

Summary Researchers shared a report titled “Code Execution on Zen 4 PSP using Voltage Fault Injection.” In the paper, the researchers reported their findings on Voltage Fault Injection VFI attacks targeting AMD “Zen 4” CPUs, specifically the Ryzen™ 8600G model. The researchers claim these types o...

UBUNTU-CVE-2024-53114

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Clear virtualized VMLOAD/VMSAVE on Zen4 client A number of Zen4 client SoCs advertise the ability to use virtualized VMLOAD/VMSAVE, but using these instructions is reported to be a cause of a random host reboot. Thes...